Pennsylvania REV-1197 -- Schedule AU -- Agricultural Use Exemptions is a form used to claim an exemption from the Pennsylvania Sales and Use Tax. This form is for agricultural use exemptions only, and it can be used by farmers, agricultural production businesses, and agricultural research facilities. The form is used to claim exemptions from the sales tax on purchases of items used for agricultural purposes, such as fertilizer, feed, seed, equipment, and supplies. There are four types of Pennsylvania REV-1197 -- Schedule AU -- Agricultural Use Exemptions: 1) Production Exemption, 2) Research Exemption, 3) Equipment Exemption, and 4) Supplies Exemption. The Production Exemption applies to items used to produce a product for sale, the Research Exemption applies to items used for agricultural research, the Equipment Exemption applies to equipment used in the agricultural operation, and the Supplies Exemption applies to supplies used in the agricultural operation.